<div class='quotetop'>QUOTE(Baggy &#064; May 14 2006, 03&#58;04 AM) Quoted post</div><div class='quotemain'>
My brother bought on tuesday this 1987 Range Rover 3.5 fuel injected.
Its licenced, but he bought it with motor not running.
Owner said has had it for 4 years.
Recently started to misfire, put some injector cleaner in fuel, came good
for short perod then started to missfire again finally with engine not running
at all. Towed it to local garage who did a compression test and said was low
compression in 3 cylinders.
Done 375,000 kms.
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<div class='quotetop'>QUOTE(DEFENDERZOOK &#064; May 14 2006, 10&#58;59 PM) Quoted post</div><div class='quotemain'>
<span style="color:#990000">head gasket failure could explain the low compression.....
but what about the engine running for a while with the injector cleaner....?coincidence maybe......its quite possible.....
but if it was running smoothly when it started i think the problem lies elsewhere......it may have more than one problem....

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<span style="color:#3366FF">Almost a please explain on the misfire with the engine not going... unless it&#39;s been confused with "dieseling on"

My thoughts....

If it&#39;s electronic ignition, faulty module or the coil is about to drop it&#39;s lunch.
Points ignition the points are dirty, badly set or just plain worn out or again the coil.

Timing light will show partly whether it&#39;s iginition as will body of the coil temperature. A coil too hot to hold is broken, helps make wicked fireballs out the throttles in the mean time though.

No motor has perfect compression across all cylinders. However "low on three" is very ambiguous, what three? all on one side of the block? none adjoining ? How far below the top pressure ?

Really sounds like ignition/coil.</span>